a. We can reduce car exhaust fumes, can't we?
b. How can we reduce air and water pollution?
c. It's a serious prolem that our local authoriries are trying to solve.
d. What should we do to protect our environment?
e. That's a good idea!
A: (1).....................................................................
B: I think we should reduce water and air pollution.
A: (2).....................................................................
B: How about reducing the amount of garbage we prodece?
A: Well! (3).....................................................................
B: Why don't we persuade people to use public buses instead of motorbikes and cars?
A: In this way, (4).....................................................................
B: Yes, that's right. Say, don't you think smokes from industrial factories pollute the air?
A: Why not? (5).....................................................................
B: Well, it would be better if those factories were built far away from living areas.